Percy is a friendly and adventurous character from the popular book series, Percy Jackson & The Olympians. He is a demigod, which means he is the son of Poseidon, the Greek god of the sea. Percy is known for his bravery and loyalty to his friends, often embarking on quests to save the world from various mythical threats. Throughout his journey, Percy discovers his unique powers, such as the ability to control water. He also makes close friends, like Annabeth Chase and Grover Underwood, who help him navigate the challenges he faces. Together, they learn about friendship, courage, and the importance of believing in oneself.